Rewrote file.isPathAbsolute and file.findup to use alternate logic for determining "absoluteness" because the previous method exploded in Windows when the CWD was on a different drive than the drive path.resolve('/') reported.
Rewrote file.isPathAbsolute and file.findup to use alternate logic for determining "absoluteness" because the previous method exploded in Windows when the CWD was on a different drive than the drive path.resolve('/') reported.

felixgrey/grunt,r14r/fork_grunt_master,q310550690/grunt,pandeysoni/grunt,lkiarest/grunt,yuhualingfeng/grunt,yonglehou/grunt,FeodorFitsner/grunt,eelve/grunt,zackexplosion/grunt,IveWong/grunt,arosa81/grunt,rwaldron/grunt,shama/grunt,thejameskyle/grunt,ThiagoGarciaAlves/grunt,goodeggs/grunt,thecc4re/gruntjs,paladox/grunt,Chhunlong/grunt,JaKXz/grunt,vojtajina/grunt,paulcbetts/grunt,r14r-work/fork_grunt_master,modulexcite/grunt,youmyyou/grunt,fscherwi/grunt,vladikoff/grunt,abraheem/grunt,imjerrybao/grunt,coldrye-collaboration/grunt,yosiazwan/grunt